. >> so one of the administration's toughest critics on benghazi obviously has been senator john mccain. we talked to him last night. he was pretty upset when he encountered one of our colleagues today at the capitol. what happened? >> reporter: the back story is senator mccain, as you said, is really out there trying to get watergate style committee hearings in order to root out the details of what really went on in benghazi. it turns out when he was having a press conference to call for that, he was missing a closed door hearing on this very issue, on benghazi. so ted barrett tried to ask him about that, about why he missed it. didn't go so well. take a listen. >> i'm not going to comment on my schedule and how i spend my time to the media. i will not -- i have no further comment. i have no further comment. i have no further comment. how many times do i have to comment? as a senator, i have no comment. who the hell are you to tell me? >> reporter: mccain's office did give us an answer later in the day that it was a scheduling error. that's the reason why he didn't attend that particul